Technical specifications
A.5 CPU 1215C
S7-1200 Programmable controller
876 System Manual, 03/2014, A5E02486680-AG
Table A- 83 CPU 1215C DC/DC/Relay (6ES7 215-1HG40-0XB0)
24 VDC Sensor Power Out
For additional noise immunity, connect "M" to chassis ground even if not using sensor supply.
For sinking inputs, connect "-" to "M" (shown). For sourcing inputs, connect "+" to "M".
Note: X11 connectors must be gold. See Appendix C, Spare Parts for order number.